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Windows Analysis Report
171121_PDF.exe

Overview

General Information

Sample Name:	171121_PDF.exe
Analysis ID:	558240
MD5:	60d8b8589ba8045361ae148ee76c7582
SHA1:	328a778d026ad6611bb295bf3a799b6499fc7c7c
SHA256:	8f34d0008f07a4460c9ebc5a8d8a558a85979bd0112962eddf9506dc5b627989
Infos:

Detection

GuLoader

Score:	100
Range:	0 - 100
Whitelisted:	false
Confidence:	100%

Signatures

Antivirus / Scanner detection for submitted sample

Found malware configuration

Multi AV Scanner detection for submitted file

GuLoader behavior detected

Yara detected GuLoader

Hides threads from debuggers

Initial sample is a PE file and has a suspicious name

Writes to foreign memory regions

Found stalling execution ending in API Sleep call

Tries to detect Any.run

C2 URLs / IPs found in malware configuration

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Machine Learning detection for sample

Uses 32bit PE files

Antivirus or Machine Learning detection for unpacked file

Sample file is different than original file name gathered from version info

Contains functionality to read the PEB

Uses code obfuscation techniques (call, push, ret)

Detected potential crypto function

Sample execution stops while process was sleeping (likely an evasion)

PE / OLE file has an invalid certificate

Contains functionality to call native functions

Creates a process in suspended mode (likely to inject code)

Contains functionality for execution timing, often used to detect debuggers

Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)

Abnormal high CPU Usage

Classification

Process Tree

System is w10x64

171121_PDF.exe (PID: 6968 cmdline: "C:\Users\user\Desktop\171121_PDF.exe" MD5: 60D8B8589BA8045361AE148EE76C7582)

ieinstal.exe (PID: 5012 cmdline: "C:\Users\user\Desktop\171121_PDF.exe" MD5: DAD17AB737E680C47C8A44CBB95EE67E)

ieinstal.exe (PID: 7124 cmdline: "C:\Users\user\Desktop\171121_PDF.exe" MD5: DAD17AB737E680C47C8A44CBB95EE67E)

cleanup

Malware Configuration

Threatname: GuLoader

{"Payload URL": "https://onedrive.live.com/downloa"}

Yara Overview

Memory Dumps

Source	Rule	Description	Author
0000000F.00000002.543844211.0000000003200000.00000040.00000001.sdmp	JoeSecurity_GuLoader_2	Yara detected GuLoader	Joe Security
0000000F.00000000.352935282.0000000003200000.00000040.00000001.sdmp	JoeSecurity_GuLoader_2	Yara detected GuLoader	Joe Security
00000000.00000002.498027231.0000000002320000.00000040.00000001.sdmp	JoeSecurity_GuLoader_2	Yara detected GuLoader	Joe Security

Jbx Signature Overview

Click to jump to signature section

Show All Signature Results

AV Detection

Antivirus / Scanner detection for submitted sample

Source: 171121_PDF.exe

Avira: detected

Found malware configuration

Source: 0000000F.00000002.543844211.0000000003200000.00000040.00000001.sdmp

Malware Configuration Extractor: GuLoader {"Payload URL": "https://onedrive.live.com/downloa"}

Multi AV Scanner detection for submitted file

Source: 171121_PDF.exe	Virustotal: Detection: 60%	Perma Link
Source: 171121_PDF.exe	Metadefender: Detection: 17%	Perma Link
Source: 171121_PDF.exe	ReversingLabs: Detection: 67%

Machine Learning detection for sample

Source: 171121_PDF.exe

Joe Sandbox ML: detected

Source: 0.0.171121_PDF.exe.400000.0.unpack

Avira: Label: TR/AD.Nekark.jinay

Source: 171121_PDF.exe

Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

Networking

C2 URLs / IPs found in malware configuration

Source: Malware configuration extractor

URLs: https://onedrive.live.com/downloa

Source: unknown

DNS traffic detected: queries for: onedrive.live.com

System Summary

Initial sample is a PE file and has a suspicious name

Source: initial sample

Static PE information: Filename: 171121_PDF.exe

Source: 171121_PDF.exe

Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

Source: 171121_PDF.exe, 00000000.00000002.497741806.0000000000419000.00000002.00020000.sdmp	Binary or memory string: OriginalFilenameBrugstyveriscortic.exe vs 171121_PDF.exe
Source: 171121_PDF.exe	Binary or memory string: OriginalFilenameBrugstyveriscortic.exe vs 171121_PDF.exe

Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_00405A7F
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0040721E
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_00406A36
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_00405395
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_023284F7
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02321A5F
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232FB8E
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232CFC2
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232330D
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232702D
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02327005
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E629
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E665
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D66F
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D698
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E6F9
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E6CD
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E734
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232272C
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D71E
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E76E
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D758
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02329784
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_023247F1
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02327463
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E59E
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E5EC
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232DA30
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02320A5C
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02324A41
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02324A81
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02324AE4
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02324B2E
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02324BB4
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232DBC5
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02324819
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E819
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D855
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E844
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D89D
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_023248DD
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D989
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D9D1
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232CFED
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02326FD9
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02324C32
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02321DBE
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03203760
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_032047F1
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320FB8E
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03201A5F
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320CFC2
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320330D
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320702D
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03207005
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320272C
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03203781
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03209784
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320D698
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320E59E
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03207463
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03204B2E
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03204BB4
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03204A41
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03200A5C
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03204A81
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03204AE4
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03204819
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03203849
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_032048DD
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320CFED
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03206FD9
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03201DBE
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03204C32

Source: 171121_PDF.exe

Static PE information: invalid certificate

Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232F695 NtProtectVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232FB8E NtResumeThread,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232CFC2 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D210 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D295 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D2E0 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D311 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D046 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D0E6 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D0D1 NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232D13C NtAllocateVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02328A05 NtWriteVirtualMemory,
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232CFED NtAllocateVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320F695 NtProtectVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320CFC2 NtAllocateVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320D311 NtAllocateVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320D210 NtAllocateVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320D295 NtAllocateVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320D2E0 NtAllocateVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320D13C NtAllocateVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320D046 NtAllocateVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320D0E6 NtAllocateVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320D0D1 NtAllocateVirtualMemory,
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320CFED NtAllocateVirtualMemory,

Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe

Process Stats: CPU usage > 98%

Source: 171121_PDF.exe	Virustotal: Detection: 60%
Source: 171121_PDF.exe	Metadefender: Detection: 17%
Source: 171121_PDF.exe	ReversingLabs: Detection: 67%

Source: 171121_PDF.exe

Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ

Source: C:\Users\user\Desktop\171121_PDF.exe

Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Source: C:\Users\user\Desktop\171121_PDF.exe

Section loaded: C:\Windows\SysWOW64\msvbvm60.dll

Source: unknown	Process created: C:\Users\user\Desktop\171121_PDF.exe "C:\Users\user\Desktop\171121_PDF.exe"
Source: C:\Users\user\Desktop\171121_PDF.exe	Process created: C:\Program Files (x86)\Internet Explorer\ieinstal.exe "C:\Users\user\Desktop\171121_PDF.exe"
Source: C:\Users\user\Desktop\171121_PDF.exe	Process created: C:\Program Files (x86)\Internet Explorer\ieinstal.exe "C:\Users\user\Desktop\171121_PDF.exe"
Source: C:\Users\user\Desktop\171121_PDF.exe	Process created: C:\Program Files (x86)\Internet Explorer\ieinstal.exe "C:\Users\user\Desktop\171121_PDF.exe"
Source: C:\Users\user\Desktop\171121_PDF.exe	Process created: C:\Program Files (x86)\Internet Explorer\ieinstal.exe "C:\Users\user\Desktop\171121_PDF.exe"

Source: C:\Users\user\Desktop\171121_PDF.exe

File created: C:\Users\user\AppData\Local\Temp\~DFD14B856B0CE15507.TMP

Jump to behavior

Source: classification engine

Classification label: mal100.troj.evad.winEXE@5/2@2/0

Data Obfuscation

Yara detected GuLoader

Source: Yara match	File source: 0000000F.00000002.543844211.0000000003200000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 0000000F.00000000.352935282.0000000003200000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match	File source: 00000000.00000002.498027231.0000000002320000.00000040.00000001.sdmp, type: MEMORY

Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_00405241 pushfd ; retf
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_00405A57 push 0000004Bh; retf
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_00408858 push 00000018h; ret
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0040A864 push esi; iretd
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_00405A7F push ebx; ret
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_00406A27 push es; iretd
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_00405AD4 push ebx; ret
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_00405CFE push 18FEA023h; retf
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_004086A1 push edx; iretd
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232816B push ss; iretd
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_023281D4 push ss; iretd
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232564B push ebp; iretd
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232A7C6 push ecx; ret
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02321834 push es; retf
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02322EF5 push ebp; iretd
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02320F16 push edx; ret
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_02322F48 pushad ; iretd
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320816B push ss; iretd
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320A7C6 push ecx; ret
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320564B push ebp; iretd
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03201834 push es; retf
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03200F16 push edx; ret
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03202F48 pushad ; iretd
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_03202EF5 push ebp; iretd

Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Registry value created or modified: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run Skuffejernenesco2			Jump to behavior
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Registry value created or modified: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run Skuffejernenesco2			Jump to behavior

Source: C:\Users\user\Desktop\171121_PDF.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Process information set: NOOPENFILEERRORBOX
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Process information set: NOOPENFILEERRORBOX

Malware Analysis System Evasion

Found stalling execution ending in API Sleep call

Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe

Stalling execution: Execution stalls by calling Sleep

Tries to detect Any.run

Source: C:\Users\user\Desktop\171121_PDF.exe	File opened: C:\Program Files\Qemu-ga\qemu-ga.exe
Source: C:\Users\user\Desktop\171121_PDF.exe	File opened: C:\Program Files\qga\qga.exe
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	File opened: C:\Program Files\Qemu-ga\qemu-ga.exe
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	File opened: C:\Program Files\qga\qga.exe

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Source: ieinstal.exe, 0000000F.00000002.544039436.0000000003690000.00000004.00000001.sdmp	Binary or memory string: NTDLLKERNEL32C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEC:\PROGRAM FILES\QGA\QGA.EXEUSER32PSAPI.DLLMSI.DLLPUBLISHERWININET.DLLMOZILLA/5.0 (WINDOWS NT 10.0; WIN64; X64) APPLEWEBKIT/537.36 (KHTML, LIKE GECKO) CHROME/91.0.4472.124 SAFARI/537.36SHELL32ADVAPI32TEMP=\VAGABO.EXE\CUSCONINESOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUNSKUFFEJERNENESCO2
Source: 171121_PDF.exe, 00000000.00000002.498410892.0000000003940000.00000004.00000001.sdmp	Binary or memory string: NTDLLKERNEL32C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEC:\PROGRAM FILES\QGA\QGA.EXEUSER32PSAPI.DLLMSI.DLLPUBLISHERWININET.DLLMOZILLA/5.0 (WINDOWS NT 10.0; WIN64; X64) APPLEWEBKIT/537.36 (KHTML, LIKE GECKO) CHROME/91.0.4472.124 SAFARI/537.36SHELL32ADVAPI32TEMP=PROGRAMFILES=\INTERNET EXPLORER\IEINSTAL.EXEWINDIR=\SYSWOW64\MSVBVM60.DLLPROGRAMFILES=\INTERNET EXPLORER\IEINSTAL.EXEWINDIR=\SYSWOW64\MSVBVM60.DLL
Source: 171121_PDF.exe, 00000000.00000002.498410892.0000000003940000.00000004.00000001.sdmp, ieinstal.exe, 0000000F.00000002.544039436.0000000003690000.00000004.00000001.sdmp	Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE

Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe

Last function: Thread delayed

Source: C:\Users\user\Desktop\171121_PDF.exe

Code function: 0_2_023240AA rdtsc

Source: C:\Users\user\Desktop\171121_PDF.exe

System information queried: ModuleInformation

Source: 171121_PDF.exe, 00000000.00000002.498429562.0000000003A0A000.00000004.00000001.sdmp, ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: Hyper-V Guest Shutdown Service
Source: 171121_PDF.exe, 00000000.00000002.498429562.0000000003A0A000.00000004.00000001.sdmp, ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: Hyper-V Remote Desktop Virtualization Service
Source: ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: vmicshutdown
Source: 171121_PDF.exe, 00000000.00000002.498429562.0000000003A0A000.00000004.00000001.sdmp, ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: Hyper-V Volume Shadow Copy Requestor
Source: 171121_PDF.exe, 00000000.00000002.498429562.0000000003A0A000.00000004.00000001.sdmp, ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: Hyper-V PowerShell Direct Service
Source: 171121_PDF.exe, 00000000.00000002.498429562.0000000003A0A000.00000004.00000001.sdmp, ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: Hyper-V Time Synchronization Service
Source: ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: vmicvss
Source: 171121_PDF.exe, 00000000.00000002.498410892.0000000003940000.00000004.00000001.sdmp, ieinstal.exe, 0000000F.00000002.544039436.0000000003690000.00000004.00000001.sdmp	Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe
Source: 171121_PDF.exe, 00000000.00000002.498429562.0000000003A0A000.00000004.00000001.sdmp, ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: Hyper-V Data Exchange Service
Source: ieinstal.exe, 0000000F.00000002.544039436.0000000003690000.00000004.00000001.sdmp	Binary or memory string: ntdllkernel32C:\Program Files\Qemu-ga\qemu-ga.exeC:\Program Files\qga\qga.exeuser32psapi.dllMsi.dllPublisherwininet.dllMozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36shell32advapi32TEMP=\vagabo.exe\CUSCONINESoftware\Microsoft\Windows\CurrentVersion\RunSkuffejernenesco2
Source: 171121_PDF.exe, 00000000.00000002.498429562.0000000003A0A000.00000004.00000001.sdmp, ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: Hyper-V Heartbeat Service
Source: 171121_PDF.exe, 00000000.00000002.498429562.0000000003A0A000.00000004.00000001.sdmp, ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: Hyper-V Guest Service Interface
Source: 171121_PDF.exe, 00000000.00000002.498410892.0000000003940000.00000004.00000001.sdmp	Binary or memory string: ntdllkernel32C:\Program Files\Qemu-ga\qemu-ga.exeC:\Program Files\qga\qga.exeuser32psapi.dllMsi.dllPublisherwininet.dllMozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36shell32advapi32TEMP=ProgramFiles=\internet explorer\ieinstal.exewindir=\syswow64\msvbvm60.dllProgramFiles=\internet explorer\ieinstal.exewindir=\syswow64\msvbvm60.dll
Source: ieinstal.exe, 0000000F.00000002.544366173.0000000004F3A000.00000004.00000001.sdmp	Binary or memory string: vmicheartbeat

Anti Debugging

Hides threads from debuggers

Source: C:\Users\user\Desktop\171121_PDF.exe	Thread information set: HideFromDebugger
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Thread information set: HideFromDebugger

Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_023296BF mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232E59E mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232C982 mov eax, dword ptr fs:[00000030h]
Source: C:\Users\user\Desktop\171121_PDF.exe	Code function: 0_2_0232BEA2 mov eax, dword ptr fs:[00000030h]
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_032096BF mov eax, dword ptr fs:[00000030h]
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320E59E mov eax, dword ptr fs:[00000030h]
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320C982 mov eax, dword ptr fs:[00000030h]
Source: C:\Program Files (x86)\Internet Explorer\ieinstal.exe	Code function: 15_2_0320BEA2 mov eax, dword ptr fs:[00000030h]

Source: C:\Users\user\Desktop\171121_PDF.exe

Code function: 0_2_023240AA rdtsc

Source: C:\Users\user\Desktop\171121_PDF.exe

Code function: 0_2_0232AB06 LdrInitializeThunk,

HIPS / PFW / Operating System Protection Evasion

Writes to foreign memory regions

Source: C:\Users\user\Desktop\171121_PDF.exe

Memory written: C:\Program Files (x86)\Internet Explorer\ieinstal.exe base: 3200000

Source: C:\Users\user\Desktop\171121_PDF.exe	Process created: C:\Program Files (x86)\Internet Explorer\ieinstal.exe "C:\Users\user\Desktop\171121_PDF.exe"
Source: C:\Users\user\Desktop\171121_PDF.exe	Process created: C:\Program Files (x86)\Internet Explorer\ieinstal.exe "C:\Users\user\Desktop\171121_PDF.exe"

Source: ieinstal.exe, 0000000F.00000002.544154942.0000000003AE0000.00000002.00020000.sdmp	Binary or memory string: Program Manager
Source: ieinstal.exe, 0000000F.00000002.544154942.0000000003AE0000.00000002.00020000.sdmp	Binary or memory string: Shell_TrayWnd
Source: ieinstal.exe, 0000000F.00000002.544154942.0000000003AE0000.00000002.00020000.sdmp	Binary or memory string: Progman
Source: ieinstal.exe, 0000000F.00000002.544154942.0000000003AE0000.00000002.00020000.sdmp	Binary or memory string: Progmanlock

Stealing of Sensitive Information

GuLoader behavior detected

Source: Initial file

Signature Results: GuLoader behavior

Mitre Att&ck Matrix

Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Exfiltration	Command and Control	Network Effects	Remote Service Effects	Impact
Valid Accounts	Windows Management Instrumentation	1 Registry Run Keys / Startup Folder	112 Process Injection	2 Virtualization/Sandbox Evasion	OS Credential Dumping	311 Security Software Discovery	Remote Services	1 Archive Collected Data	Exfiltration Over Other Network Medium	1 Encrypted Channel	Eavesdrop on Insecure Network Communication	Remotely Track Device Without Authorization	Modify System Partition
Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	1 Registry Run Keys / Startup Folder	1 Software Packing	LSASS Memory	2 Virtualization/Sandbox Evasion	Remote Desktop Protocol	Data from Removable Media	Exfiltration Over Bluetooth	1 Non-Application Layer Protocol	Exploit SS7 to Redirect Phone Calls/SMS	Remotely Wipe Data Without Authorization	Device Lockout
Domain Accounts	At (Linux)	Logon Script (Windows)	Logon Script (Windows)	112 Process Injection	Security Account Manager	1 Process Discovery	SMB/Windows Admin Shares	Data from Network Shared Drive	Automated Exfiltration	11 Application Layer Protocol	Exploit SS7 to Track Device Location	Obtain Device Cloud Backups	Delete Device Data
Local Accounts	At (Windows)	Logon Script (Mac)	Logon Script (Mac)	1 Obfuscated Files or Information	NTDS	2 System Information Discovery	Distributed Component Object Model	Input Capture	Scheduled Transfer	Protocol Impersonation	SIM Card Swap		Carrier Billing Fraud

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
Internet

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
171121_PDF.exe	60%	Virustotal		Browse
171121_PDF.exe	17%	Metadefender		Browse
171121_PDF.exe	68%	ReversingLabs	Win32.Trojan.Shelsy
171121_PDF.exe	100%	Avira	TR/AD.Nekark.jinay
171121_PDF.exe	100%	Joe Sandbox ML

Unpacked PE Files

Source	Detection	Scanner	Label	Link	Download
0.2.171121_PDF.exe.400000.0.unpack	100%	Avira	HEUR/AGEN.1107800		Download File
0.0.171121_PDF.exe.400000.0.unpack	100%	Avira	TR/AD.Nekark.jinay		Download File

General Information

Joe Sandbox Version:	34.0.0 Boulder Opal
Analysis ID:	558240
Start date:	23.01.2022
Start time:	06:42:50
Joe Sandbox Product:	CloudBasic
Overall analysis duration:	0h 5m 17s
Hypervisor based Inspection enabled:	false
Report type:	light
Sample file name:	171121_PDF.exe
Cookbook file name:	default.jbs
Analysis system description:	Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211
Number of analysed new started processes analysed:	26
Number of new started drivers analysed:	0
Number of existing processes analysed:	0
Number of existing drivers analysed:	0
Number of injected processes analysed:	0
Technologies:	HCA enabled EGA enabled HDC enabled AMSI enabled
Analysis Mode:	default
Analysis stop reason:	Timeout
Detection:	MAL
Classification:	mal100.troj.evad.winEXE@5/2@2/0
EGA Information:	Successful, ratio: 100%
HDC Information:	Successful, ratio: 8.4% (good quality ratio 4.3%) Quality average: 24.5% Quality standard deviation: 29.5%
HCA Information:	Successful, ratio: 79% Number of executed functions: 0 Number of non-executed functions: 0
Cookbook Comments:	Adjust boot time Enable AMSI Found application associated with file extension: .exe

Warnings

Exclude process from analysis (whitelisted): MpCmdRun.exe, BackgroundTransferHost.exe, WMIADAP.exe, backgroundTaskHost.exe, SgrmBroker.exe, conhost.exe, svchost.exe, wuapihost.exe
Excluded IPs from analysis (whitelisted): 23.211.4.86, 13.107.42.13, 13.107.42.12
Excluded domains from analysis (whitelisted): odc-web-brs.onedrive.akadns.net, fs.microsoft.com, bn-files.ha.1drv.com.l-0003.dc-msedge.net.l-0003.l-msedge.net, odc-web-geo.onedrive.akadns.net, odc-bn-files-brs.onedrive.akadns.net, ctldl.windowsupdate.com, e1723.g.akamaiedge.net, fs-wildcard.microsoft.com.edgekey.net, fs-wildcard.microsoft.com.edgekey.net.globalredir.akadns.net, arc.msn.com, odc-bn-files-geo.onedrive.akadns.net, ris.api.iris.microsoft.com, l-0004.l-msedge.net, odwebpl.trafficmanager.net.l-0004.dc-msedge.net.l-0004.l-msedge.net, l-0003.l-msedge.net, displaycatalog.mp.microsoft.com, img-prod-cms-rt-microsoft-com.akamaized.net, prod.fs.microsoft.com.akadns.net
Not all processes where analyzed, report is missing behavior information

Simulations

Behavior and APIs

Time	Type	Description
06:45:46	Autostart	Run: HKCU\Software\Microsoft\Windows\CurrentVersion\Run Skuffejernenesco2 C:\Users\user\AppData\Local\Temp\CUSCONINE\vagabo.exe
06:45:54	Autostart	Run: HKCU64\Software\Microsoft\Windows\CurrentVersion\Run Skuffejernenesco2 C:\Users\user\AppData\Local\Temp\CUSCONINE\vagabo.exe

Joe Sandbox View / Context

Created / dropped Files

C:\Users\user\AppData\Local\Temp\CUSCONINE\vagabo.exe

Download File

Process:	C:\Program Files (x86)\Internet Explorer\ieinstal.exe
File Type:	data
Category:	dropped
Size (bytes):	112464
Entropy (8bit):	6.100427719868403
Encrypted:	false
SSDEEP:	1536:9PtG0c3vhsblLAvTIpS1HP9CGZG48TdiwOeQqn4kFgGYglLg:61JsblLAvI+FW48QwOen4Hi8
MD5:	68F03A1A9EC55A9B943A015C091817D6
SHA1:	C952F771410E036D5C897EC956FFBB09291B167E
SHA-256:	75E5DC79753DA6494A68CF2F5E9101FB6433103DD3AA7D8BADCD23DDD2F5F651
SHA-512:	A9C5946EEF3B54BCAF23EB53CBBABA0B1BB6438A0A6DEC675F7F2E4AF7CA1CED7AF2737DB1079A68F9EBE1126D9338EE91436E847D57C9A5726759B4F8EA5C0C
Malicious:	false
Reputation:	low
Preview:	.Z......................@...............................................!..L.!This program cannot be run in DOS mode....$..................._.................Rich...........................PE..L....~.N.................`...P...............p....@..........................................................................m..(........+..............P...................................................8... ....................................text...._.......`.................. ..`.data........p.......p..............@....rsrc....+.......0..................@..@..^............MSVBVM60.DLL....................................................................................................................................................................................................................................................................................................................................................................................................................

C:\Users\user\AppData\Local\Temp\~DFD14B856B0CE15507.TMP

Download File

Process:	C:\Users\user\Desktop\171121_PDF.exe
File Type:	Composite Document File V2 Document, Cannot read section info
Category:	dropped
Size (bytes):	16384
Entropy (8bit):	0.623084520004525
Encrypted:	false
SSDEEP:	12:rl3lKFQCb776fGZHbYS6TS63TXlYdl7HtllGXPuK9iUmTc:rbQylDVYdtNllG/uw7
MD5:	23BC92D1C5A3C3698C8524B7CEB3F5D9
SHA1:	199D2660FEA3F7310397A37A8C7C600E7A26D461
SHA-256:	5A6730EB0987730B214A46DC814FE2071576A338B2210DECE2780AC6E3B45DD7
SHA-512:	6FA7CAB689912B93C312D35E0E0F218E6138A3BCB8BC1B31CF0F80E4795C079F8589B879CCAC55C14262C710D4772A4067CCA4ED7890AED678EC988D113227DD
Malicious:	false
Reputation:	low
Preview:	......................>...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

_CIcos, _adj_fptan, __vbaVarMove, __vbaFreeVar, _adj_fdiv_m64, _adj_fprem1, __vbaHresultCheckObj, _adj_fdiv_m32, _adj_fdiv_m16i, _adj_fdivr_m16i, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, _adj_fpatan, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaFPException, _CIlog, _adj_fdiv_m32i, _adj_fdivr_m32i, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarSetVar, __vbaLateMemCallLd, _CIatan, __vbaR8IntI4, _allmul, _CItan, _CIexp, __vbaFreeObj

Version Infos

Description	Data
Translation	0x0409 0x04b0
LegalCopyright	ART
InternalName	Brugstyveriscortic
FileVersion	1.00
CompanyName	ART
LegalTrademarks	ART
Comments	ART
ProductName	ART
ProductVersion	1.00
FileDescription	Classic ART
OriginalFilename	Brugstyveriscortic.exe

Possible Origin

Language of compilation system	Country where language is spoken	Map
English	United States

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Jan 23, 2022 06:45:47.377051115 CET	55102	53	192.168.2.3	8.8.8.8
Jan 23, 2022 06:45:47.926724911 CET	56236	53	192.168.2.3	8.8.8.8

DNS Queries

Timestamp	Source IP	Dest IP	Trans ID	OP Code	Name	Type	Class
Jan 23, 2022 06:45:47.377051115 CET	192.168.2.3	8.8.8.8	0x102a	Standard query (0)	onedrive.live.com	A (IP address)	IN (0x0001)
Jan 23, 2022 06:45:47.926724911 CET	192.168.2.3	8.8.8.8	0x6b8c	Standard query (0)	d34m1w.bn.files.1drv.com	A (IP address)	IN (0x0001)

DNS Answers

Timestamp	Source IP	Dest IP	Trans ID	Reply Code	Name	CName	Type	Class
Jan 23, 2022 06:45:47.424824953 CET	8.8.8.8	192.168.2.3	0x102a	No error (0)	onedrive.live.com	odc-web-geo.onedrive.akadns.net	CNAME (Canonical name)	IN (0x0001)
Jan 23, 2022 06:45:47.976964951 CET	8.8.8.8	192.168.2.3	0x6b8c	No error (0)	d34m1w.bn.files.1drv.com	bn-files.fe.1drv.com	CNAME (Canonical name)	IN (0x0001)
Jan 23, 2022 06:45:47.976964951 CET	8.8.8.8	192.168.2.3	0x6b8c	No error (0)	bn-files.fe.1drv.com	odc-bn-files-geo.onedrive.akadns.net	CNAME (Canonical name)	IN (0x0001)

Start time:	06:43:39
Start date:	23/01/2022
Path:	C:\Users\user\Desktop\171121_PDF.exe
Wow64 process (32bit):	true
Commandline:	"C:\Users\user\Desktop\171121_PDF.exe"
Imagebase:	0x400000
File size:	112464 bytes
MD5 hash:	60D8B8589BA8045361AE148EE76C7582
Has elevated privileges:	true
Has administrator privileges:	true
Programmed in:	Visual Basic
Yara matches:	Rule: JoeSecurity_GuLoader_2, Description: Yara detected GuLoader, Source: 00000000.00000002.498027231.0000000002320000.00000040.00000001.sdmp, Author: Joe Security
Reputation:	low

Analysis Process: ieinstal.exePID: 5012, Parent PID: 6968

General

Start time:	06:44:14
Start date:	23/01/2022
Path:	C:\Program Files (x86)\Internet Explorer\ieinstal.exe
Wow64 process (32bit):	false
Commandline:	"C:\Users\user\Desktop\171121_PDF.exe"
Imagebase:	0xdd0000
File size:	480256 bytes
MD5 hash:	DAD17AB737E680C47C8A44CBB95EE67E
Has elevated privileges:	true
Has administrator privileges:	true
Programmed in:	C, C++ or other language
Reputation:	moderate

Analysis Process: ieinstal.exePID: 7124, Parent PID: 6968

General

Start time:	06:44:15
Start date:	23/01/2022
Path:	C:\Program Files (x86)\Internet Explorer\ieinstal.exe
Wow64 process (32bit):	true
Commandline:	"C:\Users\user\Desktop\171121_PDF.exe"
Imagebase:	0xdd0000
File size:	480256 bytes
MD5 hash:	DAD17AB737E680C47C8A44CBB95EE67E
Has elevated privileges:	true
Has administrator privileges:	true
Programmed in:	C, C++ or other language
Yara matches:	Rule: JoeSecurity_GuLoader_2, Description: Yara detected GuLoader, Source: 0000000F.00000002.543844211.0000000003200000.00000040.00000001.sdmp, Author: Joe Security Rule: JoeSecurity_GuLoader_2, Description: Yara detected GuLoader, Source: 0000000F.00000000.352935282.0000000003200000.00000040.00000001.sdmp, Author: Joe Security
Reputation:	moderate

Disassembly

⊘No disassembly

Entrypoint:	0x401194
Entrypoint Section:	.text
Digitally signed:	true
Imagebase:	0x400000
Subsystem:	windows gui
Image File Characteristics:	LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
DLL Characteristics:
Time Stamp:	0x4ED97EE6 [Sat Dec 3 01:44:06 2011 UTC]
TLS Callbacks:
CLR (.Net) Version:
OS Version Major:	4
OS Version Minor:	0
File Version Major:	4
File Version Minor:	0
Subsystem Version Major:	4
Subsystem Version Minor:	0
Import Hash:	fca27436e553ec62bb2d0905390fd4e6

Signature Valid:	false
Signature Issuer:	E=Bibaciousnessmnten3@Pinjerforhaa.Non, CN=Vrdiheftesgalets, OU=Formationsskridt, O=ptychoptery, L=Retrickedtrbesk, S=Linoxininvectivel5, C=LV
Signature Validation Error:	A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider
Error Number:	-2146762487
Not Before, Not After	11/16/2021 7:35:05 PM 11/16/2022 7:35:05 PM
Subject Chain	E=Bibaciousnessmnten3@Pinjerforhaa.Non, CN=Vrdiheftesgalets, OU=Formationsskridt, O=ptychoptery, L=Retrickedtrbesk, S=Linoxininvectivel5, C=LV
Version:	3
Thumbprint MD5:	81C291A64F4EEAD3EB815B820975A11F
Thumbprint SHA-1:	3B9FB2B3310D80BB215D1F0A8A1B4C5CE397126F
Thumbprint SHA-256:	6E26EF48D70BCD9763606EA3E88539664649D7701B6F561892E318BB4DB04839
Serial:	00

Name	Virtual Address	Virtual Size	Is in Section
IMAGE_DIRECTORY_ENTRY_EXPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_IMPORT	0x16d14	0x28	.text
IMAGE_DIRECTORY_ENTRY_RESOURCE	0x19000	0x2bca	.rsrc
IMAGE_DIRECTORY_ENTRY_EXCEPTION	0x0	0x0
IMAGE_DIRECTORY_ENTRY_SECURITY	0x1b000	0x750	.rsrc
IMAGE_DIRECTORY_ENTRY_BASERELOC	0x0	0x0
IMAGE_DIRECTORY_ENTRY_DEBUG	0x0	0x0
IMAGE_DIRECTORY_ENTRY_COPYRIGHT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_GLOBALPTR	0x0	0x0
IMAGE_DIRECTORY_ENTRY_TLS	0x0	0x0
IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG	0x0	0x0
IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT	0x238	0x20
IMAGE_DIRECTORY_ENTRY_IAT	0x1000	0x90	.text
IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT	0x0	0x0
IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR	0x0	0x0
IMAGE_DIRECTORY_ENTRY_RESERVED	0x0	0x0

Name	Virtual Address	Virtual Size	Raw Size	Xored PE	ZLIB Complexity	File Type	Entropy	Characteristics
.text	0x1000	0x15ffc	0x16000	False	0.495827414773	data	6.39269902756	IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
.data	0x17000	0x17f8	0x1000	False	0.00634765625	data	0.0	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
.rsrc	0x19000	0x2bca	0x3000	False	0.236735026042	data	3.87641922123	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ

Name	RVA	Size	Type	Language	Country
SET	0x19724	0x24a6	MS Windows icon resource - 3 icons, 24x24, 16 colors, 4 bits/pixel, 24x24, 8 bits/pixel	English	United States
RT_ICON	0x1943c	0x2e8	dBase IV DBT of @.DBF, block length 512, next free block index 40, next free block 4152326007, next used block 7370615
RT_GROUP_ICON	0x19428	0x14	data
RT_VERSION	0x19140	0x2e8	data	English	United States

Name	IP	Active	Malicious	Antivirus Detection	Reputation
onedrive.live.com	unknown	unknown	false		high
d34m1w.bn.files.1drv.com	unknown	unknown	false		high

File type:	PE32 executable (GUI) Intel 80386, for MS Windows
Entropy (8bit):	6.100488610521297
TrID:	Win32 Executable (generic) a (10002005/4) 99.15% Win32 Executable Microsoft Visual Basic 6 (82127/2) 0.81% Generic Win/DOS Executable (2004/3) 0.02% DOS Executable Generic (2002/1) 0.02% Autodesk FLIC Image File (extensions: flc, fli, cel) (7/3) 0.00%
File name:	171121_PDF.exe
File size:	112464
MD5:	60d8b8589ba8045361ae148ee76c7582
SHA1:	328a778d026ad6611bb295bf3a799b6499fc7c7c
SHA256:	8f34d0008f07a4460c9ebc5a8d8a558a85979bd0112962eddf9506dc5b627989
SHA512:	6d7ab39a3367d72d70e0cf8af182fdf7b20100be1159465cebf5603c06bd485ffd0b5acee687ad029c1205c1cdadfbfe10002451b484cde1746ed2c8814f58e7
SSDEEP:	1536:OPtG0c3vhsblLAvTIpS1HP9CGZG48TdiwOeQqn4kFgGYglLg:X1JsblLAvI+FW48QwOen4Hi8
File Content Preview:	MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$......................._.......................Rich............................PE..L....~.N.................`...P...............p....@

Description:	Adversaries may achieve persistence by adding a program to a startup folder or referencing it with a Registry run key. Adding an entry to the "run keys" in the Registry or startup folder will cause the program referenced to be executed when a user logs in. These programs will be executed under the context of the user and will have the account's associated permissions level.
Tactics:	Persistence, Privilege Escalation
Data Sources:	File monitoring, Windows Registry
Platforms:	Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may inject code into processes in order to evade process-based defenses as well as possibly elevate privileges. Process injection is a method of executing arbitrary code in the address space of a separate live process. Running code in the context of another process may allow access to the process's memory, system/network resources, and possibly elevated privileges. Execution via process injection may also evade detection from security products since the execution is masked under a legitimate process.
Tactics:	Defense Evasion, Privilege Escalation
Data Sources:	API monitoring, DLL monitoring, File monitoring, Named Pipes, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may employ various means to detect and avoid virtualization and analysis environments. This may include changing behaviors based on the results of checks for the presence of artifacts indicative of a virtual machine environment (VME) or sandbox. If the adversary detects a VME, they may alter their malware to disengage from the victim or conceal the core functions of the implant. They may also search for VME artifacts before dropping secondary or additional payloads. Adversaries may use the information learned from [Virtualization/Sandbox Evasion](https://attack.mitre.org/techniques/T1497) during automated discovery to shape follow-on behaviors.
Tactics:	Defense Evasion, Discovery
Data Sources:	Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may perform software packing or virtual machine software protection to conceal their code. Software packing is a method of compressing or encrypting an executable. Packing an executable changes the file signature in an attempt to avoid signature-based detection. Most decompression techniques decompress the executable code in memory. Virtual machine software protection translates an executable's original code into a special format that only a special virtual machine can run. A virtual machine is then called to run this code.
Tactics:	Defense Evasion
Data Sources:	Binary file metadata
Platforms:	macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to make an executable or file difficult to discover or analyze by encrypting, encoding, or otherwise obfuscating its contents on the system or in transit. This is common behavior that can be used across different platforms and the network to evade defenses.
Tactics:	Defense Evasion
Data Sources:	Binary file metadata, Email gateway, Environment variable, File monitoring, Malware reverse engineering, Network intrusion detection system, Network protocol analysis, Process command-line parameters, Process monitoring, Process use of network, SSL/TLS inspection, Windows event logs
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to get a listing of security software, configurations, defensive tools, and sensors that are installed on a system or in a cloud environment. This may include things such as firewall rules and anti-virus. Adversaries may use the information from Security Software Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	AWS CloudTrail logs, Azure activity logs, File monitoring, Process command-line parameters, Process monitoring, Stackdriver logs
Platforms:	AWS, Azure, Azure AD, GCP, Linux, macOS, Office 365, SaaS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to get information about running processes on a system. Information obtained could be used to gain an understanding of common software/applications running on systems within the network. Adversaries may use the information from Process Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	API monitoring, Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and architecture. Adversaries may use the information from System Information Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	AWS CloudTrail logs, Azure activity logs, Process command-line parameters, Process monitoring, Stackdriver logs
Platforms:	AWS, Azure, GCP, Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	An adversary may compress and/or encrypt data that is collected prior to exfiltration. Compressing the data can help to obfuscate the collected data and minimize the amount of data sent over the network. Encryption can be used to hide information that is being exfiltrated from detection or make exfiltration less conspicuous upon inspection by a defender.
Tactics:	Collection
Data Sources:	Binary file metadata, File monitoring, Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may employ a known encryption algorithm to conceal command and control traffic rather than relying on any inherent protections provided by a communication protocol. Despite the use of a secure algorithm, these implementations may be vulnerable to reverse engineering if secret keys are encoded and/or generated within malware samples/configuration files.
Tactics:	Command and Control
Data Sources:	Malware reverse engineering, Netflow/Enclave netflow, Packet capture, Process monitoring, Process use of network, SSL/TLS inspection
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may use a non-application layer protocol for communication between host and C2 server or among infected hosts within a network. The list of possible protocols is extensive.Specific examples include use of network layer protocols, such as the Internet Control Message Protocol (ICMP), transport layer protocols, such as the User Datagram Protocol (UDP), session layer protocols, such as Socket Secure (SOCKS), as well as redirected/tunneled protocols, such as Serial over LAN (SOL).
Tactics:	Command and Control
Data Sources:	Host network interface, Netflow/Enclave netflow, Network intrusion detection system, Network protocol analysis, Packet capture, Process use of network
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using application layer protocols to avoid detection/network filtering by blending in with existing traffic. Commands to the remote system, and often the results of those commands, will be embedded within the protocol traffic between the client and server.
Tactics:	Command and Control
Data Sources:	DNS records, Netflow/Enclave netflow, Network protocol analysis, Packet capture, Process monitoring, Process use of network
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Windows Analysis Report 171121_PDF.exe

Overview

General Information

Detection

Signatures

Classification

Process Tree

Malware Configuration

Threatname: GuLoader

Yara Overview

Memory Dumps

Sigma Overview

Jbx Signature Overview

AV Detection

Compliance

Networking

System Summary

Data Obfuscation

Boot Survival

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

Anti Debugging

HIPS / PFW / Operating System Protection Evasion

Stealing of Sensitive Information

Mitre Att&ck Matrix

Behavior Graph

Screenshots

Thumbnails

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Unpacked PE Files

Domains

URLs

Domains and IPs

Contacted Domains

Contacted URLs

World Map of Contacted IPs

General Information

Warnings

Simulations

Behavior and APIs

Joe Sandbox View / Context

IPs

Domains

ASNs

JA3 Fingerprints

Dropped Files

Created / dropped Files

C:\Users\user\AppData\Local\Temp\CUSCONINE\vagabo.exe

C:\Users\user\AppData\Local\Temp\~DFD14B856B0CE15507.TMP

Static File Info

General

File Icon

Static PE Info

General

Authenticode Signature

Entrypoint Preview

Data Directories

Sections

Resources

Imports

Version Infos

Possible Origin

Network Behavior

Network Port Distribution

UDP Packets

DNS Queries

DNS Answers

Statistics

Behavior

System Behavior

Analysis Process: 171121_PDF.exePID: 6968, Parent PID: 4448

Windows Analysis Report
171121_PDF.exe